CN108408773B - 一种BiOCl材料的制备方法及其应用 - Google Patents
一种BiOCl材料的制备方法及其应用 Download PDFInfo
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- CN108408773B CN108408773B CN201810303989.1A CN201810303989A CN108408773B CN 108408773 B CN108408773 B CN 108408773B CN 201810303989 A CN201810303989 A CN 201810303989A CN 108408773 B CN108408773 B CN 108408773B
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- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000000460 chlorine Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 239000002135 nanosheet Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 17
- 238000000498 ball milling Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- PNYYBUOBTVHFDN-UHFFFAOYSA-N sodium bismuthate Chemical compound [Na+].[O-][Bi](=O)=O PNYYBUOBTVHFDN-UHFFFAOYSA-N 0.000 claims description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 235000002639 sodium chloride Nutrition 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920002866 paraformaldehyde Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 239000011592 zinc chloride Substances 0.000 claims description 3
- 235000005074 zinc chloride Nutrition 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 239000003570 air Substances 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 150000001720 carbohydrates Chemical class 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims 1
- 239000011941 photocatalyst Substances 0.000 abstract description 7
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000000049 pigment Substances 0.000 abstract description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000006479 redox reaction Methods 0.000 abstract description 2
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 238000000713 high-energy ball milling Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000012265 solid product Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- QYIGOGBGVKONDY-UHFFFAOYSA-N 1-(2-bromo-5-chlorophenyl)-3-methylpyrazole Chemical compound N1=C(C)C=CN1C1=CC(Cl)=CC=C1Br QYIGOGBGVKONDY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 229940036348 bismuth carbonate Drugs 0.000 description 1
- 229940073609 bismuth oxychloride Drugs 0.000 description 1
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- FIMTUWGINXDGCK-UHFFFAOYSA-H dibismuth;oxalate Chemical compound [Bi+3].[Bi+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O FIMTUWGINXDGCK-UHFFFAOYSA-H 0.000 description 1
- GMZOPRQQINFLPQ-UHFFFAOYSA-H dibismuth;tricarbonate Chemical compound [Bi+3].[Bi+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GMZOPRQQINFLPQ-UHFFFAOYSA-H 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000000598 endocrine disruptor Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
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- 238000003980 solgel method Methods 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G29/00—Compounds of bismuth
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
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Abstract
本发明涉及一种BiOCl材料的制备方法及其应用。本发明采用铋酸盐、还原剂、氯源、分散剂为原料,将高能球磨的机械力同步作用于氧化还原与氯化反应,再经过热处理、洗涤除杂、固液分离、干燥制备出BiOCl材料。所制备的BiOCl材料由平面尺寸为0.1~5μm、厚度为2~20nm的纳米片构成,比表面积为3~300m2/g。本发明具有工艺简单、易于工业化生产、制造工艺成本低、环境友好等优势;所制备的BiOCl材料在超级电容器、碱性二次电池、锂离子电池、光催化剂、珠光颜料、医药等领域具有广泛应用。
Description
技术领域
本发明涉及一种BiOCl材料的制备方法及其应用,属于新型功能材料领域。
背景技术
BiOCl是一种重要的功能材料,由于其独特的微观结构及物理化学性质,并且无毒、低成本、使其具有潜在的广泛应用,已广泛应用在电极活性材料、催化剂、颜料、化妆品、气体传感器、电子材料、医药材料等领域。
材料的结构与性能与制备工艺方法密切相关。目前制备超细功能粉体的方法根据原理可分为物理法和化学法。物理法可制得粒径易控的超细粒子,但所需设备昂贵;化学法成本低,易于通过过程控制调整粒子大小,但工艺流程复杂、并有可能带来环境污染。机械化学法是将物理法与化学法相结合,其基本原理是反应物质通过研磨过程提供的能量,提高反应物的化学活性,使得通常需要在高温下进行的反应能在较低温度下快速进行。机械化学合成方法是一种价格低廉、环境友好、高效率和可控性高的合成方法,这一制备方法使得材料的结构与性能具有更多的设计可能性、且易于工业化生产。
毛晓明等[石油化工42(2013)1165–1169]以铋酸钠、碘化钾和盐酸为原料,无水乙醇为分散剂,采用液相氧化还原法合成了具有可见光高催化活性的BiOCl材料。Ji等和Yu等[Chemical Physics 478(2016)14–22、Catalysis Communications11(2010)460–464]以NaBiO3和HX(X=Cl,Br,I)为原料,采用液相氧化还原反应制备了BiOX材料并进行了光催化性能的研究。Wang等[Applied Catalysis B Environmental 176-177(2015)201–211]以NaBiO3和HONH2·HCl为原料,采用氧化–水解路线合成了{001}晶面暴露的BiOCl纳米材料并研究了其光催化性能。杨帆等[一种Bi(Ⅴ)-O-Bi(Ⅲ)复合物的直接氧化及可见光催化性能研究[D]华中科技大学,2014]以NaBiO3为铋源,采用盐酸刻蚀法制备了Bi(Ⅴ)-O-Bi(Ⅲ)复合物;其研究发现随着盐酸用量的增加,NaBiO3先水解生成Bi2O3,再转化为BiOCl,且Bi(Ⅴ)与Bi(Ⅲ)的比例可以通过HCl的用量进行调控。
发明专利[申请公布号CN103878000A]公开了“一种卤氧化铋光催化剂及其制备方法”,该发明采用铋酸钠为铋源、无机或有机卤源,通过水热法制备出卤氧化铋光催化剂。发明专利[申请公布号CN102010003A]公开了“室温固相反应制备氯氧化铋的方法”,以Bi3+离子的铋盐(包括硝酸铋、碳酸铋、草酸铋或乙酸铋)和氯化钠为原料,按Bi:Cl摩尔比为1:(1~2),在室温下混合研磨或球磨0.5~2小时,水洗去除可溶副产物,干燥制备出BiOCl。发明专利[申请公开号CN101455973A]公开了“一种可用于去除水体中酚类内分泌干扰物的光催化剂的制备方法”,该发明以NaBiO3为氧化剂,卤化氢水溶液为还原剂,通过简单的浸渍、固–液分离以及干燥等步骤制备出具有片状微观结构的BiOX光催化剂。
目前已有不少关于BiOCl材料制备的研究,主要有水热法,溶剂热法,溶胶—凝胶法等。然而这些方法合成过程复杂,成本高。
发明内容
本发明的目的在于提供一种BiOCl材料的制备方法及其应用。所制备的BiOCl材料由平面尺寸为0.1~5μm、厚度为2~20nm的纳米片构成,比表面积为3~300m2/g。本发明方法制备工艺简单、易于工业化生产、生产过程环境友好,产品纯度高、产品微观形貌及大小易于控制。
本发明通过以下技术方案实现:
一种BiOCl材料的制备方法,包括如下步骤:
(1)将铋酸盐、还原剂、氯源、分散剂按1:(0.25~2):(1~2):(0.001~0.3)的摩尔比(物质的量之比)混合均匀,得到原料混合物;
(2)将步骤(1)得到的原料混合物和磨球按1:(0.5~100)的质量比放入球磨罐中,在保护气氛下球磨0.2h~20h;
(3)将步骤(2)得到的球磨混合物置于高温炉中在100~600℃下热处理0.5~10h,将热处理后的产物分别用蒸馏水和无水乙醇进行洗涤除杂,然后进行固液分离和干燥,即得出BiOCl材料。
进一步地,所述的铋酸盐为铋酸钠、铋酸锂、铋酸钾、铋酸镁中的一种或两种以上。
进一步地,所述的氯源为含氯离子的化合物,优选氯化钠、氯化钾、氯化铵、氯化锌、氯化铁、氯化铜、氯化铝、氯化钙、氯化镁中的一种或两种以上。
进一步地,所述的还原剂为金属铋粉、碳粉、亚硫酸盐、甲醛(或多聚甲醛)、甲酸、还原糖、苯酚中的一种或两种以上。
进一步地,所述的分散剂为十二烷基磺酸钠、十二烷基苯磺酸钠、十六烷基三甲基溴化铵、聚乙烯吡咯烷酮、聚乙二醇、聚乙烯醇、三乙醇胺、乙二醇、丙三醇、非离子型表面活性剂、糖类物质、可溶性淀粉中的一种或两种以上。
进一步地,所述的保护气氛为氮气、氩气、二氧化碳、空气中的一种或两种以上。
进一步地,球磨机的转速为30~3000rpm。
进一步地,所述的球磨机选自市场上的各种机型;所述的磨球为玛瑙球、刚玉球、氧化锆球、瓷球、不锈钢球中的一种或两种以上。
上述制备方法所得到的BiOCl材料在超级电容器、碱性二次电池、锂离子电池、光催化剂、珠光颜料或医药领域中的应用。
本发明的有益效果在于:
(1)本发明方法制备工艺简单、工艺条件温和、易于工业化生产、生产过程环境友好,所得产品纯度高、产品微观形貌及粒径易于控制。
(2)本发明所制备的BiOCl材料应用广泛,能够应用的领域包括但不限于在超级电容器、碱性二次电池、锂离子电池、光催化剂、珠光颜料、医药等领域。
附图说明
图1为实施例1所制备的BiOCl材料的扫描电子显微镜图。
图2为实施例2所制备的BiOCl材料的X射线衍射图。
图3为实施例3所制备的BiOCl材料的氮吸脱附等温线图。
图4为实施例4所制备的BiOCl与Ni(OH)2构成的二次碱性电池在不同电流密度下的恒电流充放电测试图。
具体实施方式
下面以具体实施例进一步说明本发明的技术方案,但本发明并不局限于实施例。
实施例1
(1)将2mmol铋酸钠,1mmol金属铋粉,2mmol氯化钾,0.01mmol聚乙烯吡咯烷酮混合均匀得到原料混合物;将原料混合物和刚玉磨球按1:50的质量比加到球磨罐中,通入氮气,在转速为1500rpm条件下进行球磨8h,将球磨后的混合物在200℃下恒温热处理5h,再将热处理产物用去离子水和无水乙醇洗涤除杂、采用过滤进行固液分离,最后将过滤所得的固体产物在100℃下真空干燥12h制备出BiOCl材料。
(2)采用JEOLJEM-3010型扫描电子显微镜对实施例1所制备的BiOCl材料进行测试,如图1所示,该BiOCl材料的最大平面尺寸为2μm、厚度为10~15nm的纳米片堆积构成。
实施例2
(1)将2mmol铋酸钾,2mmol亚硫酸钠粉,1mmol氯化锌,0.005mmol十二烷基苯磺酸钠混合均匀得到原料混合物;将原料混合物和刚玉磨球按1:100的质量比加到球磨罐中,通入氩气,在转速为1500rpm条件下进行球磨6h,将球磨后的混合物在300℃下恒温热处理4h,再将热处理产物用去离子水和无水乙醇洗涤除杂、采用过滤进行固液分离,最后将过滤所得的固体产物在110℃下干燥8h制备出BiOCl材料。
(2)采用XRD-6000型X-射线衍射仪对实施例2所制备的BiOCl材料进行测试,如图2所示,所得BiOCl产品晶相纯净,无其它杂质峰,结晶度好。
实施例3
(1)将2mmol铋酸钠,1mmol活性碳粉,3mmol氯化钠,0.02mmol十六烷基三甲基溴化铵混合均匀得到原料混合物;将原料混合物和不锈钢球按1:60的质量比加到球磨罐中,通入氮气,在转速为1000rpm条件下进行球磨9h,将球磨后的混合物在250℃下恒温热处理7h,再将热处理产物用去离子水和无水乙醇洗涤除杂、采用过滤进行固液分离,最后将过滤所得的固体产物在90℃下真空干燥10h制备出BiOCl材料。
(2)采用TriStar II 3020型比表面积和孔径分布仪对实施例3所得样品材料进行测试,如图3所示,BiOCl材料的比表面积为20.4m2/g。
实施例4
(1)将2mmol铋酸锂,1mmol多聚甲醛,2mmol氯化铵,0.05mmol丙三醇混合均匀得到原料合物;将原料混合物和不锈钢球按1:80的质量比加到球磨罐中,通入二氧化碳,在转速为800rpm条件下进行球磨10h,将球磨后的混合物在350℃下恒温热处理5h,再将热处理产物用去离子水和无水乙醇洗涤除杂、采用过滤进行固液分离,最后将过滤所得的固体产物在105℃下干燥8h制备出BiOCl材料。
(2)将本实施例所制备的BiOCl样品以及所购买的Ni(OH)2正极材料制作成电极片,采用6mol/L KOH溶液为电解液组装成碱性二次电池,采用上海辰华公司生产的CHI660A电化学工作站,对所构造的电池在室温下进行恒流充放电测试。由图4所示,电池在1A/g的电流密度下比容量为180mAh/g,在电流密度为0.5、2、5A/g时的比容量分别为190、168和163mAh/g。
Claims (5)
1.一种BiOCl材料的制备方法,其特征在于,所述的BiOCl材料应用于碱性二次电池中,所述的BiOCl材料由平面尺寸为0.1~5µm、厚度为2~20nm的纳米片构成,比表面积为3~300m2/g;其制备方法包括如下步骤:
(1) 将铋酸盐、还原剂、氯源、分散剂按1:(0.25~2):(1~2):(0.001~0.3)的摩尔比混合均匀,得到原料混合物;
(2) 将步骤(1)得到的原料混合物和磨球按1:(0.5~100)的质量比放入球磨罐中,在保护气氛下球磨0.2h~20h;
(3) 将步骤(2)得到的球磨混合物置于高温炉中在100~600℃下热处理0.5~10h,将热处理后的产物分别用蒸馏水和无水乙醇进行洗涤除杂,然后进行固液分离和干燥,即得BiOCl材料;
所述的氯源为氯化钠、氯化钾、氯化铵、氯化锌、氯化铁、氯化铜、氯化铝、氯化钙、氯化镁中的一种或两种以上;
所述的分散剂为十二烷基磺酸钠、十二烷基苯磺酸钠、十六烷基三甲基溴化铵、聚乙烯吡咯烷酮、聚乙二醇、聚乙烯醇、三乙醇胺、乙二醇、丙三醇、非离子型表面活性剂、糖类物质、可溶性淀粉中的一种或两种以上;
所述的还原剂为金属铋粉、硫磺粉、碳粉、亚硫酸盐、甲醛、多聚甲醛、甲酸、还原糖、苯酚中的一种或两种以上。
2.根据权利要求1所述的BiOCl材料的制备方法,其特征在于,所述的铋酸盐为铋酸钠、铋酸锂、铋酸钾中的一种或两种以上。
3.根据权利要求1所述的BiOCl材料的制备方法,其特征在于,所述的保护气氛为氮气、氩气、二氧化碳、空气中的一种或两种以上。
4.根据权利要求1所述的BiOCl材料的制备方法,其特征在于,球磨机的转速为30~3000rpm。
5.根据权利要求1所述的BiOCl材料的制备方法,其特征在于,所述的球磨机选自市场上的各种机型;所述的磨球为玛瑙球、刚玉球、氧化锆球、瓷球、不锈钢球中的一种或两种以上。
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